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  2. Lobe pump - Wikipedia

    en.wikipedia.org/wiki/Lobe_pump

    A lobe pump, or rotary lobe pump, is a type of positive displacement pump. It is similar to a gear pump except the lobes are designed to almost meet, rather than touch and turn each other. An early example of a lobe pump is the Roots Blower , patented in 1860 [ 1 ] to blow combustion air to melt iron in blast furnaces, but now more commonly ...

  3. Roots blower - Wikipedia

    en.wikipedia.org/wiki/Roots_blower

    Because rotary lobe pumps need to maintain a clearance between the lobes, a single stage Roots blower can pump gas across only a limited pressure differential. If the pump is used beyond its specification, the compression of the gas generates enough heat so that the lobes expand to the point that they jam, damaging the pump.

  4. Albany Pumps - Wikipedia

    en.wikipedia.org/wiki/Albany_Pumps

    The original gear pump design has been developed into modern and reliable machines capable of working for up to 100,000 hours on important lubrication duties. As well as Gear pumps, Albany produces Centrifugal Pumps, Lobe, and Twin Screw Pumps (based on Stothert & Pitt Design).

  5. Pump - Wikipedia

    en.wikipedia.org/wiki/Pump

    Lobe pump internals Lobe pump internals. A positive-displacement pump makes a fluid move by trapping a fixed amount and forcing (displacing) that trapped volume into the discharge pipe. Some positive-displacement pumps use an expanding cavity on the suction side and a decreasing cavity on the discharge side.

  6. Comparison of pumps - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_pumps

    Different types of pumps are suitable for different applications, for example: a pump's maximum lift height also determines the applications it can be used for. Low-lift pumps are only suitable for the pumping of surface water (e.g., irrigation, drainage of lands, ...), while high-lift pumps allow deep water pumping (e.g., potable water pumping ...

  7. Any form of exercise can help rejuvenate the brain - AOL

    www.aol.com/form-exercise-help-rejuvenate-brain...

    Insofar as the short-term speed gains seen in the study are concerned, Williams suggested that “there may still be some association or correlation with increased blood flow to the frontal lobe ...

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